<template>
	<view class="home">
		<navbar :isSearch="true" v-model="value" @input="change"></navbar>
		<view class="home-list">
			<view v-if="isHistory" class="label-box">
				<view class="label-header ">
					<text class="label-title">搜索历史</text>
					<text class="label-clear" @click="clear">清空</text>
				</view>
				<view class="label-content" v-if="historyLists.length > 0">
					<view class="label-content__item" v-for="(item,index) in historyLists" :key="index" @click="openHistory(item)">
						{{item.name}}
					</view>
				</view>
				<view class="no-data" v-else>
					没有搜索历史
				</view>
			</view>
			<list-scroll v-else class="list-scroll" >
				<uni-load-more v-if="loading" status="loading" iconType="snow"></uni-load-more>
				<view v-if="searchList.length > 0">
					<list-card  v-for="(item,index) in searchList" :key="index" :item="item" @click="setHistory"></list-card>
				</view>
				<view v-if="searchList.length === 0 && !loading" class="no-data">
					没有搜索到相关数据
				</view>
			</list-scroll>
		</view>
	</view>
</template>

<script>
	import {mapState} from 'vuex'
	export default {
		data() {
			return {
				value:'',
				// historyList:{}
				isHistory:true,
				searchList:[],
				loading:false
			};
		},
		computed:{
			...mapState(['historyLists'])
		},
		onLoad() {
 		},
		methods:{
			setHistory(){
				this.$store.dispatch('set_history',{
					name:this.value,
				})
			},
			openHistory(item){
				this.value = item.name
				this.getSearch(this.value)
			},
			change(value){
				if(!value){
					clearTimeout(this.timer)
					this.mark = false
					this.getSearch(value)
					return
				}
				// 标记，实现一个请求延时的效果
				if(!this.mark){
					this.mark = true
					this.timer = setTimeout(()=>{
						this.mark = false
						this.getSearch(value)
					},1000) 
				}
			},
			clear(){
				this.$store.dispatch('clearHistory')
				uni.showToast({
					title:'清空完成'
				})
			},
			getSearch(value) {
				if(!value){
					this.searchList = []
					this.isHistory = true
					return
				}
				this.isHistory = false
				this.loading = true
				this.$api.get_search({
					value
				}).then((res) => {
					const {
						data
					} = res
					console.log(data)
					this.loading = false
					this.searchList = data
				}).catch(()=>{
					this.loading = false
				})
			}
		}
	}
</script>

<style lang="scss">
	page{
		height: 100%;
		display: flex;
		background-color: #f5f5f5;
	}
	.home{
		display: flex;
		flex-direction: column;
		flex: 1;
		.label-box{
			background-color: #fff;
			margin-bottom: 10px;
			.label-header{
				display: flex;
				justify-content: space-between;
				font-size: 14px;
				color: #666;
				padding: 10px 15px;
				border-bottom: 1px solid #f5f5f5;
				.label-title{
					color: $mk-base-color;
				}
				.label-clear{
					color: #30b33a;
					font-weight: bold;
				}
			}
			.label-content{
				display: flex;
				flex-wrap: wrap;
				padding: 15px;
				padding-top: 0;
				.label-content__item{
					padding: 2px 10px;
					margin-top: 12px;
					margin-right: 10px;
					border-radius: 5px;
					border: 1px #666 solid;
					font-size: 14px;
					color: #666;
				}
			}
			.no-data{
				height: 200px;
				line-height: 200px;
				width: 100%;
				text-align: center;
				font-size: 12px;
				color: #666;
			}
		}
		.list-scroll{
			.no-data{
				height: 200px;
				line-height: 200px;
				width: 100%;
				text-align: center;
				font-size: 12px;
				color: #666;
			}
		}
	}
</style>
